apheliotropism

== English == === Etymology === apo- +‎ heliotropism === Noun === apheliotropism (uncountable) (botany) the tendency to bend away from sunlight, as some plants do; negative phototropism === References === “apheliotropism”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.